/*清空样式表*/
html, body, div, span, applet, object, iframe,
/*h1, h2, h3, h4, h5, h6, */p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}

/*清空样式表*/

/*超链接伪类*/
/*未访问样式*/
a:link{
    color:black;
    text-decoration:none;/*删除下划线*/
       }
/*鼠标悬停 */
a:hover{
         color: #ffda44;
       }
/*正在访问样式*/
a:active{
         color: #f7f7f7;
       }
/*已访问样式*/
a:visited{
         color: black;
       	}


body{
    width: 100%;
    height: 100%;
    background-color: rgb(26,30,33);
    display: flex;
    flex-direction: column;
    align-items: center;

}
body .box{
    width: 1200px;
    background-color: #ededed;
}


/*顶部文字*/
.box.top_title{

}

.top_title .logo_bar{
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
}
.logo_bar .logo_img{
    height: 70px;
    width: 300px;
    background-image: url("../image/logo.png");
}

.logo_bar .search {
    width: 500px;
    height: 40px;
    background-color: #f7f7f7;
    text-align: center;
    line-height: 40px;
    border-radius: 15px;
    display: flex;
    align-items: center;

}
.search .search_type{
    margin-left: 20px;
    border-style: none;
    outline: none;	/*去除选中时出现的边框*/
    width: 50px;
    height: 40px;
    background-color: #f7f7f7;
}
.search .search_input{
    border-style: none;
    outline: none;	/*去除选中时出现的边框*/
    height: 38px;
    width: 330px;
    margin-left: 20px;
    background-color: #f7f7f7;
}
.search .search_btn{
    width: 80px;
    height: 40px;
    background-color: #ffda44;
    border-radius: 0 15px 15px 0;
}



.logo_bar .user{
    width: 300px;
    text-align: center;
}

/*顶部导航栏*/
.top_title .top_bar{
    height: 40px;
    background-color: #ade7f2;

}
.top_bar .title_bar{
    text-align: center;
    line-height: 40px;  /*与topbar高度一致，确保居中*/
}
.title_bar li{
    display: inline-block;
    width: 150px;
}
/*底部*/
.centre{
    width: 1200px;
    border-color: cadetblue;
}

.up{
    width: 80px;
    height: 80px;
    text-align: center;
    line-height: 80px;
    position: fixed;
    right: 10px;
    bottom: 10px;
    background-color: aliceblue;
}


